15. A n) 16-tu, an expert system, the e. user interface is the a. Data b. Drill-down analysis c. Online transaction processing d. Data mining ed a bi and ansiyeics tooie 18. Which of the following is retailers? NOT one of the key websike performance meaures unsed tay onln a. response time b. total sales d. e. transaction success rate system availablity 19. Which of the followin g is an obstacle to the successful Implementation of a new enterprise sytem a. cost and lon b. employees' fear of change and frustration with new systems c. integration with other systems d. all of these answers g time frame 20. When video files are played while being downloaded from the Internet,it is called b. virtual reality d. file conversion a. video compression c. streaming video b. sometime later than d. sometime before 21. In batch processing systems, data processing is donedata capture a. immediately after c. immediately before e stores all relevant information, data, rules, cases, and relationships that an expert system uses a. inference engine b. knowledge base c. user interfaced. data warehouse 2. The pyright Cengege Learning. Powered by Cognero